BULETIN FISIKA
Vol 21 No 1 (2020): BULETIN FISIKA

The Manufacturing of Low Temperature Measuring Devices Using a PT-100 Sensor Based on ATmega328 Microcontroller

Bhakti Hardian Yusuf (Udayana University)
I Made Satriya Wibawa (Udayana University)
I Ketut Putra (Udayana University)

Article Info

Publish Date
04 Mar 2020

Abstract

A low temperature measuring device has been successfully developed using a microcontroller-based PT-100 sensor ATmega328. The temperature is measured using a PT-100 sensor, as the main processor using the ATmega 328 microcontroller, and the measured temperature is displayed on a 2x16 LCD. The results of the calibration at a temperature of 77 - 300 K against the reference measuring instrument obtained that, the ratio of the measured temperature between the reference measuring instrument and the measuring instrument made was 0.9893 ± 3.69 K and the coefficient of determination R2 = 0.9987. This indicates that the measurement results of the measuring instruments made have an accuracy level of 98.93% and a precision of 99.87%. Keywords: Low temperature, PT-100 Sensor, ATmega328 Microcontroller, LCD 2x16

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Journal Info
BULETIN FISIKA
Website

Abbrev

buletinfisika

Publisher

Universitas Udayana

Subject

Earth & Planetary Sciences Electrical & Electronics Engineering Environmental Science Materials Science & Nanotechnology Physics

Description

The Journal aims to promote the theory and application in the field of physics, and to encourage a vigorous dialogue between scholars and researchers all over the world. It presents original research articles, letters as well as review articles, publishes the latest achievements and developments in ...